Don't give 'pathLength' semantic errors special treatment

third_party/WebKit/Source/core/svg/SVGPathElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGPathElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGPathElement.cpp b/third_party/WebKit/Source/core/svg/SVGPathElement.cpp
index b21d54b4fe04c914bab5a2e8d04a3417dcfb51dd..cd50481b90443be91a68f5f6586b9dacac2bc86a 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGPathElement.cpp
@@ -21,7 +21,6 @@
 #include "core/svg/SVGPathElement.h"
 
 #include "core/layout/svg/LayoutSVGPath.h"
-#include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGMPathElement.h"
 #include "core/svg/SVGPathQuery.h"
 #include "core/svg/SVGPathUtilities.h"
@@ -39,10 +38,8 @@ public:
     SVGParsingError setBaseValueAsString(const String& value) override
     {
         SVGParsingError parseStatus = SVGAnimatedNumber::setBaseValueAsString(value);
-
-        ASSERT(contextElement());
         if (parseStatus == NoError && baseValue()->value() < 0)
-            contextElement()->document().accessSVGExtensions().reportError("A negative value for path attribute <pathLength> is not allowed");
+            parseStatus = NegativeValueForbiddenError;
         return parseStatus;
     }